Note:Wave tank does not work with the atomizer's top cap and in order to seal, requires one of the K series accessories.Customers that owned Kayfun 4, Kayfun 5 or Kayfun V3 mini and associated K41 - K31 - K32 drip tips, they can use those drip tips with Tower TankPlease make sure at the initial instalment Tower tank to be aligned with the threadings of the chimney